1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (C) 2005-2018 Andes Technology Corporation 3 #include <linux/uaccess.h> 4 5 #include <asm/sfp-machine.h> 6 #include <math-emu/soft-fp.h> 7 #include <math-emu/double.h> fsubd(void * ft,void * fa,void * fb)8void fsubd(void *ft, void *fa, void *fb) 9 { 10 11 FP_DECL_D(A); 12 FP_DECL_D(B); 13 FP_DECL_D(R); 14 FP_DECL_EX; 15 16 FP_UNPACK_DP(A, fa); 17 FP_UNPACK_DP(B, fb); 18 19 if (B_c != FP_CLS_NAN) 20 B_s ^= 1; 21 22 FP_ADD_D(R, A, B); 23 24 FP_PACK_DP(ft, R); 25 26 __FPU_FPCSR |= FP_CUR_EXCEPTIONS; 27 } 28